Saito FA-170R3, Instruction Manual, Page: 15 / 28

C
ARBURETOR
M
AINTENANCE
C
ARBURETOR
M
AINTENANCE
Should you experience difficulty
with the carburetor of your
engine:
1. Remove the high speed needle
(85) and flush out the spray bar
with clean fuel. Replace the high
speed needle and follow the
instructions in the Low Speed
Carburetor Adjustment section.
2. Always use a high-quality
4-cycle glow plug. The SAIP400S
glow plug is highly recommended,
as well as the Hanger 9 Four Cycle
Super Plug (HAN3011).
T
IPS FOR
E
XTENDED
E
NGINE
L
IFE
To add longer life to your Saito
engine, we recommend the fol-
lowing:
1. Use a high quality airplane fuel,
such as Omega mix at 10-15%.
The use of all castor oil for
lubrication is not recommended.
A synthetic castor mix is the
preferred lubrication.
2. Use the recommended glow
plugs.
3. Use the proper propeller size and
balance the propeller prior to use.
4. Use a tachometer for precise
engine adjustments.
5. Use an "after-run" oil (EVOX-
1001) when you're finished flying
for the day.
6. For long-term storage, make
sure there is no fuel left in the
tank and the engine. Remove the
glow plug(s) and apply several
drops of high-quality oil (such
as Evolution Blue Block After
Run Oil (EVOX1001) to the top
of the engine, into the glow plug
hole, down the pushrod tubes, and
through the crankcase pressure
vent (breather nipple). Rotate the
crankshaft several times. Store
the engine in the box or on the
airplane with the nose down in
order to keep oil in the bearings.
T
ROUBLESHOOTING
Generally speaking, there are very
few things that will keep today's
modern glow engines from start-
ing. To that end, make sure you're
using high quality "fresh" fuel,
there are good glow plugs installed,
and the starting battery is charged
and in good condition. Should
the engine fail to start after these
items are verified, refer to the
following chart.
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